SCHEDULE 13G/A: AllianceBernstein L.P. Discloses 4.4% Stake in Klaviyo Inc. Common Stock

AllianceBernstein L.P. has filed an amended Schedule 13G, revealing a beneficial ownership of 4.4% of Klaviyo Inc.'s common stock as of March 31, 2025.

Summary

• AllianceBernstein L.P., a Delaware-based investment adviser, reported beneficial ownership of 4,019,280 shares of Klaviyo Inc. common stock.
• This ownership represents 4.4% of Klaviyo Inc.'s outstanding common stock.
• The shares were acquired solely for investment purposes on behalf of client discretionary investment advisory accounts.
• AllianceBernstein L.P. holds sole voting power over 3,752,080 shares and sole dispositive power over 3,974,591 shares.
• Shared dispositive power is held over 44,689 shares, with no shared voting power.
• The filing is an Amendment No. 3 to a previous Schedule 13G, indicating a change in their reported ownership position.

Sentiment

Score: 6

Explanation: The sentiment is moderately positive. While a 13G filing is primarily a disclosure, the presence of a significant institutional investor like AllianceBernstein L.P. holding a 4.4% stake, acquired for investment purposes, generally signals confidence in the company. There are no negative implications within the filing itself.

Positives

• The disclosure of a significant stake by a major institutional investor like AllianceBernstein L.P. can be viewed as a vote of confidence in Klaviyo Inc.'s prospects.
• The shares were acquired for investment purposes in the ordinary course of business, indicating a strategic, non-activist investment approach.

Negatives

• The document does not contain any explicitly negative information regarding Klaviyo Inc. or AllianceBernstein L.P.'s investment.

Risks

• The document does not detail specific risks related to Klaviyo Inc.'s operations or financial performance, as it is a beneficial ownership filing.

Future Outlook

This Schedule 13G filing does not provide any forward-looking statements or guidance regarding Klaviyo Inc.'s future performance or strategic direction.

Management Comments

• AllianceBernstein L.P. certified that the securities were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities.

Industry Context

Schedule 13G filings are standard disclosures by institutional investors who acquire more than 5% of a company's voting stock, or in this case, an amendment to a previous filing. They indicate a passive investment intent, differentiating them from Schedule 13D filings which suggest an intent to influence or control the issuer. This filing shows AllianceBernstein L.P.'s continued or adjusted investment in Klaviyo Inc., a company operating in the marketing automation and customer data platform sector.

Stakeholder Impact

• Shareholders: The disclosure of a significant institutional stake may instill confidence among existing and potential shareholders, potentially influencing stock perception positively.
• Employees, Customers, Suppliers, Creditors: The filing itself has no direct or immediate impact on these stakeholders, as it pertains to passive ownership rather than operational or strategic changes.

Key Dates

Keywords

Klaviyo Inc., AllianceBernstein L.P., Schedule 13G, Beneficial Ownership, Common Stock, Institutional Investor, Investment Adviser, SEC Filing, Equity Stake